Citric Acid? To clean Catalytic Converters? For real?

ravenmaster · 08-18-2006, 01:01 AM

Apparently a study was done by some guys out in spain. Apparently Diluted Citric Acid (2:1 Water to Acid) will restore and clean your catalytic converters in without harming the platinum inside them. All without taking apart the Cat.

Apparetly the process is simple:
Fill a container large enough to hold your cat with the 2:1 water to Acid ratio.
Put your CAT in the container and let sit for 8 hours. Then pick up your cat after the eight hours and flush water through it to thouroughly clean the cat of residue and citric acid and the like. Let dry. Put Cat back on car.
Apparently this will restoreit to 90% its original usefulness without harming the platinum or other metals used inside of the CAT. Is this for rreal? i mean is that actually feasible or are these guys in spain blowing smoke?

Supra2NR · 08-18-2006, 06:30 AM

i could see it possible,
citric acid can break down sum hard stuff
on your kitchen

i can see it breaking down sum of the buildup
on the cat,
why not giv it a shot

mrnickleye · 08-19-2006, 01:49 AM

http://www.bioedonline.org/news/news.cfm?art=1737

Supra2NR · 08-19-2006, 03:07 AM

nevermind then

i got happy for second there
i thought there was gonna be a backyard/kitchen
solution to clean you cat
and save you sum money in the process

but well so much for my hopes

mrnickleye · 08-19-2006, 03:24 AM

If you keep your engine running properly all the time, and fix things right away, your cat will last for nearly the life of the car.

My cat was original, 15 years old, and I still passed Calif Smog test.

I went to a new (and larger diameter opening) Magnaflow when I did a complete exhaust system upgrade.

I manage a smog test & repair station, so I retested the car with the new cat to see the readings. They were close to the same, so the old cat was working very well.

ravenmaster · 08-19-2006, 06:27 AM

Wait, I am confused. How could it ONLY clean Cats from diesal engines. The deposits are about the same between Diesal and Gasoline engines (HC's, N0X, CO) so this trick would not work on normal CATS? If not...y?

hyundaier · 11-28-2015, 03:27 AM

The study was done in a university in Spain. An English friend of mine inAlbuquereu, gave me the report. Does anyone of you know about doing reasearch at a university any where in the world? It takes months and the data is very specific. They also had success with oaxilic acid, (don't know if I am speeling it well!)

Quote:

Originally Posted by ravenmaster

Apparently a study was done by some guys out in spain. Apparently Diluted Citric Acid (2:1 Water to Acid) will restore and clean your catalytic converters in without harming the platinum inside them. All without taking apart the Cat.

Apparetly the process is simple:
Fill a container large enough to hold your cat with the 2:1 water to Acid ratio.
Put your CAT in the container and let sit for 8 hours. Then pick up your cat after the eight hours and flush water through it to thouroughly clean the cat of residue and citric acid and the like. Let dry. Put Cat back on car.
Apparently this will restoreit to 90% its original usefulness without harming the platinum or other metals used inside of the CAT. Is this for rreal? i mean is that actually feasible or are these guys in spain blowing smoke?

tmothy3 · 02-13-2018, 06:23 AM

I found a thread from another forum about using citric acid -- rennlist.com/forums/928-forum/989349-cleaning-of-the-catalytic-converter.html

08-18-2006, 01:01 AM	#1
ravenmaster 12psi boost Join Date: Aug 2006 Location: Being not duly informed, I refuse to answer with any degree of accuracy for fear of prevaricating Posts: 265	Citric Acid? To clean Catalytic Converters? For real? Apparently a study was done by some guys out in spain. Apparently Diluted Citric Acid (2:1 Water to Acid) will restore and clean your catalytic converters in without harming the platinum inside them. All without taking apart the Cat. Apparetly the process is simple: Fill a container large enough to hold your cat with the 2:1 water to Acid ratio. Put your CAT in the container and let sit for 8 hours. Then pick up your cat after the eight hours and flush water through it to thouroughly clean the cat of residue and citric acid and the like. Let dry. Put Cat back on car. Apparently this will restoreit to 90% its original usefulness without harming the platinum or other metals used inside of the CAT. Is this for rreal? i mean is that actually feasible or are these guys in spain blowing smoke?

08-18-2006, 06:30 AM	#2
Supra2NR 1000whp postwhore Join Date: Apr 2006 Location: Chi-Town Posts: 1,643	i could see it possible, citric acid can break down sum hard stuff on your kitchen i can see it breaking down sum of the buildup on the cat, why not giv it a shot __________________ http://www.myspace.com/supra_2nr Into Bikes now,, apparently the supra couldnt kill me, so my zx6 might lol

08-19-2006, 01:49 AM	#3
mrnickleye 1000whp postwhore Join Date: Jun 2005 Location: Mojave Desert, Calif. Posts: 1,705	Diesel cars, not gas http://www.bioedonline.org/news/news.cfm?art=1737 __________________ Had a Red 1989 N/A. Automatic. Sports Pkg. w/wing. TEMS, and some nice MODS. Sold to a friend 10/08/08.

08-19-2006, 03:07 AM	#4
Supra2NR 1000whp postwhore Join Date: Apr 2006 Location: Chi-Town Posts: 1,643	nevermind then i got happy for second there i thought there was gonna be a backyard/kitchen solution to clean you cat and save you sum money in the process but well so much for my hopes __________________ http://www.myspace.com/supra_2nr Into Bikes now,, apparently the supra couldnt kill me, so my zx6 might lol

08-19-2006, 03:24 AM	#5
mrnickleye 1000whp postwhore Join Date: Jun 2005 Location: Mojave Desert, Calif. Posts: 1,705	Cats Can last. If you keep your engine running properly all the time, and fix things right away, your cat will last for nearly the life of the car. My cat was original, 15 years old, and I still passed Calif Smog test. I went to a new (and larger diameter opening) Magnaflow when I did a complete exhaust system upgrade. I manage a smog test & repair station, so I retested the car with the new cat to see the readings. They were close to the same, so the old cat was working very well. __________________ Had a Red 1989 N/A. Automatic. Sports Pkg. w/wing. TEMS, and some nice MODS. Sold to a friend 10/08/08. Last edited by mrnickleye; 08-19-2006 at 03:52 AM.

08-19-2006, 06:27 AM	#6
ravenmaster 12psi boost Join Date: Aug 2006 Location: Being not duly informed, I refuse to answer with any degree of accuracy for fear of prevaricating Posts: 265	Wait, I am confused. How could it ONLY clean Cats from diesal engines. The deposits are about the same between Diesal and Gasoline engines (HC's, N0X, CO) so this trick would not work on normal CATS? If not...y?

02-13-2018, 06:23 AM	#8
tmothy3 3" Exhaust Join Date: Apr 2015 Location: SC Posts: 70	I found a thread from another forum about using citric acid -- rennlist.com/forums/928-forum/989349-cleaning-of-the-catalytic-converter.html